Infrared detection anti-theft device

Abstract

The invention relates to an infrared detection anti-theft device, which belongs to the technical field of server information security, and comprises a case upper cover, a mainboard, a connecting line and an infrared distance measuring sensor module, the infrared distance measuring sensor module comprises an infrared emitting device, an infrared receiving device, a calculation module and an alarm device, the infrared emitting device emits infrared rays to irradiate the upper cover of the case and reflect the infrared rays to the infrared receiving device for receiving, and the calculation module sets the distance value from the infrared distance measuring module to the sheltering object. According to the non-contact infrared alarm device, the sensitivity is higher than that of a mechanical microswitch, the anti-theft performance is higher than that of the mechanical microswitch, the service life is longer than that of the mechanical microswitch, and the operation and maintenance timeliness is better than that of the mechanical microswitch; and the sensitivity and the reliability are greatly improved.

Description

Technical Field

[0001] The invention relates to the technical field of server information security, and in particular to an infrared detection anti-theft device. Background Art

[0002] As the information security of the server is increasingly valued, in addition to network security, hardware security is also very important, of which anti-theft is one of them. The current anti-theft device is designed on the chassis, and a micro switch is installed on the side wall of the chassis. When the upper cover of the chassis is closed, the upper cover presses the micro switch, and the micro switch is connected to the motherboard to trigger the signal. Each time the micro switch is triggered, the system records the number of actions to prevent theft. Since the general micro switch is a mechanical moving part, it is easy to cause fatigue damage after multiple triggers, affecting the function, as shown in the attached manual. Figure 2 shown.

[0003] When designing such an infrared detection anti-theft device, it is necessary to determine the stroke position of the microswitch and the driving pressure rod. The life of the mechanical microswitch is relatively short, and the driving pressure rod is at risk of breaking after being pressed multiple times. Since the microswitch is located on the side wall of the chassis, the upper cover may collide with parts during installation, causing the microswitch to fail, and the anti-theft measures are easily cracked. The case can be opened by simply pressing the driving pressure rod of the microswitch, thereby stealing high-value data information in the equipment. In order to improve the sensitivity and reliability, an infrared detection anti-theft device is proposed. Since there are no mechanical moving parts, its life and reliability are higher than those of the microswitch. There is a ranging device in the sensor, which can trigger its action as long as it exceeds a certain distance range, thereby preventing the microswitch from opening the chassis cover and stealing information in important parts by simply pressing the driving pressure rod. If the chassis is opened, the motherboard only records the event, and the operation and maintenance personnel only know it afterwards, and the timeliness of handling the matter is much worse. Summary of the invention

[0004] The present invention provides an infrared detection anti-theft device, which solves the problems raised in the above background technology and adopts a non-contact near-infrared device to replace a mechanical micro switch, so that the sensitivity and reliability are greatly improved.

[0005] The solution of the present invention to solve the above technical problems is as follows: an infrared detection anti-theft device, comprising a chassis cover, a mainboard, a connecting line and an infrared ranging sensor module, wherein the mainboard is connected to the infrared ranging sensor module via a connecting line, the infrared ranging sensor module comprises an infrared transmitting device, an infrared receiving device, a calculating module and an alarm device, the infrared transmitting device transmits infrared rays to illuminate the chassis cover, which are reflected by the infrared receiving device, the calculating module sets the distance value from the infrared ranging module to the shielding object, and the calculating module calculates the distance from the shielding object to the infrared ranging module according to the intensity of the infrared rays emitted back, and the mainboard is provided with a BMC;

[0006] The usage includes the following steps:

[0007] S1: When the infrared transmitter of the infrared ranging sensor module emits infrared rays, when it encounters the upper cover of the chassis, the infrared rays are reflected and received by the infrared receiving device. The distance value from the infrared ranging module to the obstruction is set in the calculation module and stored in the register.

[0008] S2: The calculation module calculates the distance between the obstruction and the infrared ranging module according to the intensity of the infrared rays emitted back. When the distance exceeds the set value, the alarm device is triggered to alarm.

[0009] S3: The computing module records the alarm duration to determine whether it is a normal misoperation or a theft. At the same time, the computing module transmits the event to the BMC on the motherboard through a connecting line. The BMC sends the event to the operation and maintenance terminal in real time so that the operation and maintenance personnel can confirm the actual situation in time.

[0010] Based on the above technical solution, the present invention can also be improved as follows.

[0011] Furthermore, the intensity of the infrared rays emitted by the infrared emitting device and reflected back from the upper cover of the chassis is strongly correlated to the distance, and the longer the distance, the weaker the intensity.

[0012] The beneficial effects of the present invention are as follows: the present invention provides an infrared detection anti-theft device, which has the following advantages:

[0013] 1. Such non-contact infrared alarm device has higher sensitivity than mechanical micro switch, stronger anti-theft performance, longer service life and better operation and maintenance timeliness than mechanical micro switch;

[0014] 2. Use non-contact near-infrared devices to replace mechanical micro switches, which greatly improves sensitivity and reliability;

[0015] 3. Set up an external ranging sensor module. The calculation module calculates the distance between the obstruction and the infrared ranging module according to the intensity of the infrared rays emitted back. When it exceeds the set value, the alarm device is triggered to alarm. The calculation module records the alarm duration to determine whether it is a normal misoperation or a theft and opening of the cover. At the same time, the calculation module transmits the event to the BMC on the mainboard through the connecting line. The BMC sends the event to the operation and maintenance terminal in real time so that the operation and maintenance personnel can confirm the actual situation in time.

[0016] The above description is only an overview of the technical solution of the present invention. In order to more clearly understand the technical means of the present invention and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiments of the present invention in conjunction with the accompanying drawings. The specific implementation of the present invention is given in detail by the following embodiments and their accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of this application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0018] Figure 1 A schematic diagram of the structure of an infrared detection anti-theft device provided by one embodiment of the present invention;

[0019] Figure 2 This is a schematic diagram of a micro switch;

[0020] Figure 3 A logical relationship diagram of an infrared detection anti-theft device provided by an embodiment of the present invention;

[0021] Figure 4 A schematic diagram of a mainboard in an infrared detection anti-theft device provided in one embodiment of the present invention.

[0022] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0023] 1. Infrared transmitter; 2. Infrared receiver; 3. Chassis cover; 4. Computing module; 5. Connecting wire; 6. Mainboard; 7. Alarm device; 8. BMC. DETAILED DESCRIPTION

[0024] The following is combined with Figure 1-4 The principles and features of the present invention are described, and the examples are only used to explain the present invention and are not used to limit the scope of the present invention. In the following paragraphs, the present invention is described in more detail by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become clearer according to the following description and claims. It should be noted that the drawings are all in a very simplified form and are not in precise proportions, and are only used to conveniently and clearly assist in explaining the purpose of the embodiments of the present invention.

[0025] It should be noted that when a component is referred to as being "fixed to" another component, it may be directly on the other component or there may also be a component centered. When a component is considered to be "connected to" another component, it may be directly connected to the other component or there may also be a component centered. When a component is considered to be "set on" another component, it may be directly set on the other component or there may also be a component centered. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0026] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0027] like Figure 1-4 As shown, the present invention provides an infrared detection anti-theft device, including a chassis cover 3, a main board 6, a connecting line 5 and an infrared ranging sensor module. The main board 6 is connected to the infrared ranging sensor module through the connecting line 5. The infrared ranging sensor module includes an infrared transmitting device 1, an infrared receiving device 2, a calculating module 4 and an alarm device 7. The infrared transmitting device 1 transmits infrared rays to illuminate the chassis cover 3, which are reflected to the infrared receiving device 2 for reception. The calculating module 4 sets the distance value from the infrared ranging module to the obstruction. The calculating module 4 calculates the distance from the obstruction to the infrared ranging module according to the intensity of the infrared rays emitted back. The main board 6 is provided with a BMC 8.

[0028] Preferably, the intensity of the infrared rays emitted by the infrared emitting device 1 and reflected back by the chassis upper cover 3 is strongly correlated with the distance, and the longer the distance, the weaker the intensity.

[0029] The specific working principle and use method of the present invention are:

[0030] S1: When the infrared transmitter 1 of the infrared ranging sensor module emits infrared rays, when it encounters the upper cover 3 of the chassis, the infrared rays are reflected and received by the infrared receiver 2. The calculation module 4 sets the distance value from the infrared ranging module to the obstruction, and the value is stored in the register;

[0031] S2: The calculation module 4 calculates the distance between the shielding object and the infrared ranging module according to the intensity of the infrared rays emitted back. When the distance exceeds the set value, the alarm device 7 is triggered to alarm.

[0032] S3: The computing module 4 records the alarm duration to determine whether it is a normal misoperation or a theft opening behavior. At the same time, the computing module 4 transmits the event to the BMC 8 on the mainboard 6 through the connecting line 5. The BMC 8 sends the event to the operation and maintenance terminal in real time so that the operation and maintenance personnel can confirm the actual situation in time.

[0033] It should be noted that, in this document, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Contents not described in detail in this specification belong to the prior art known to professionals in the field.

[0034] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Any ordinary technician in the industry can smoothly implement the present invention as shown in the drawings and described above. However, any equivalent changes, modifications and evolutions made by technicians familiar with the profession without departing from the scope of the technical solution of the present invention using the technical content disclosed above are all equivalent embodiments of the present invention. At the same time, any equivalent changes, modifications and evolutions made to the above embodiments based on the essential technology of the present invention are still within the protection scope of the technical solution of the present invention.

Claims

1. An infrared detection anti-theft device, comprising a chassis cover (3), a main board (6), a connecting line (5) and an infrared ranging sensor module, characterized in that: The mainboard (6) is connected to the infrared distance measuring sensor module via a connecting line (5); the infrared distance measuring sensor module comprises an infrared transmitting device (1), an infrared receiving device (2), a calculation module (4) and an alarm device (7); the infrared transmitting device (1) transmits infrared rays to illuminate the upper cover of the chassis (3), which are reflected by the infrared receiving device (2) and received by the infrared receiving device (2); the calculation module (4) sets the distance value from the infrared distance measuring module to the obstruction; the calculation module (4) calculates the distance from the obstruction to the infrared distance measuring module according to the intensity of the infrared rays emitted back; and the mainboard (6) is provided with a BMC (8); The usage includes the following steps: S1: When the infrared emitting device (1) of the infrared ranging sensor module emits infrared rays and encounters the upper cover (3) of the chassis, the infrared rays are reflected and received by the infrared receiving device (2). The distance value between the infrared ranging module and the obstruction is set in the calculation module (4), and the value is stored in the register; S2: The calculation module (4) calculates the distance between the obstruction and the infrared ranging module according to the intensity of the infrared rays emitted back, and when the distance exceeds the set value, the alarm device (7) is triggered to sound an alarm; S3: The computing module (4) records the alarm duration in order to determine whether it is a normal erroneous operation or a theft opening behavior. At the same time, the computing module (4) transmits the event to the BMC (8) on the mainboard (6) through the connecting line (5). The BMC (8) sends the event to the operation and maintenance terminal in real time so that the operation and maintenance personnel can confirm the actual situation in time.

2. The infrared detection anti-theft device according to claim 1, characterized in that: The infrared emitting device (1) emits infrared rays to illuminate the upper cover (3) of the chassis, and the intensity of the reflected rays is strongly correlated to the distance. The longer the distance, the weaker the intensity.

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